package com.huangpeng.designmodel.nullObjectModel;

/**
 * @Author hp
 * @Title 抽象类
 * @Package
 * @Date 2022/1/18 14:24
 * @Description
 * @Version 1.0
 */
public abstract class AbstractCustomer {
    protected String name;
    public abstract boolean isNil();
    public abstract String getName();
}
